It is never explained why Captain Shark became a pirate, as opposed to buying a remote island and advertising for willing volunteers for a legal enterprise.
Captain Shark is insane and delusional. He can't be expected to act rationally. Captain Shark also has no regard for law.
Captain Shark is insane and delusional. He can't be expected to act rationally. Captain Shark also has no regard for law.
The people on the ship are all supposedly willing to join Captain Shark, but the Russian concert pianist appears to have been coerced.